According to a report on the economic costs of data loss by David M. Smith, Ph.D, over 6% of PCs will suffer severe data loss in any given year - a total of 4.6 million incidents in the U.S alone.
The report identifies six main causes of loss of data*.
*statistics compiled from research data by Safeware, The Insurance Agency and ONTRACK Data International.
The costs of these incidents are staggering since the likelihood of successfully recovering the data is relatively low unless proper steps to backup up the data are already in place.
*author's estimates based upon research published in The Globe and Mail and by the Bureau of Labor Statistics